Roasted Chicken Breasts with Potatoes and Broccoli

2 teaspoons kosher salt
1 teaspoon paprika
½ teaspoon onion powder
½ teaspoon dried thyme
½ teaspoon ground white pepper
¼ teaspoon cayenne pepper
¼ teaspoon ground black pepper
¼ teaspoon garlic powder
2 tablespoons salted butter
2 whole bone-in chicken breasts with skin
4 medium red potatoes, cut into 1-inch wedges
3 bunches broccoli, cut into florets
1 pinch salt to taste
1 clove garlic, chopped
Preheat the oven to 450 degrees F (230 degrees C).
Mix salt, paprika, onion powder, thyme, white pepper, cayenne, black pepper, and garlic powder together in a bowl. Rub 1/2 of the spice mix liberally all over the chicken breasts, including under the skin. Reserve the remaining mix.
Melt butter in a large cast iron skillet over medium-high heat. Place the chicken breasts, skin-side down, into the melted butter and and brown, without moving, for 5 minutes.
In the meantime, toss potatoes with the rest of the spice mix.
In the meantime, toss potatoes with th…